Big Bertha drill in pieces

April 19, 2013 |By JORDAN STEAD

The 41 pieces that make up the Bertha SR 99 tunneling machine drill have been unloaded from the Jumbo Fairpartner and are now stored around the launch pit site, west of CenturyLink Field. Later this month, crews will begin lowering the pieces into the lau

JORDAN STEAD/SEATTLEPI.COM

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Colorful bits of the Bertha SR 99 tunneling machine stand out against a gray sky during a guided tour of the Alaskan Way ViaductrReplacement program's progress at the site of the drill's launch point Friday west of CenturyLink Field in Seattle. The 41 pieces that make up the drill have been unloaded from the Jumbo Fairpartner and are now stored around the site. Later this month, crews will begin lowering the pieces into the launch pit for reassembly and testing.

JORDAN STEAD/SEATTLEPI.COM

8of28

Colorful bits of the Bertha SR 99 tunneling machine stand out against a gray sky during a guided tour of the Alaskan Way ViaductrReplacement program's progress at the site of the drill's launch point Friday west of CenturyLink Field in Seattle. The 41 pieces that make up the drill have been unloaded from the Jumbo Fairpartner and are now stored around the site. Later this month, crews will begin lowering the pieces into the launch pit for reassembly and testing.